Hi,
I have one bioinformatics question,
At lapaillasse some of us works on a beowulf cluster dedicated to bioinformatics.
So on our cluster we've got some package installed from ubuntu repository.
Testing our package we found something strange.
By comparing clustalw-mpi performance from 1 cpu to 4 cpu, we realized that something goes wrong.
config : clustalw-mpi 0.13 and openmpi 1.5
On a little dataset we found :
On a quadricore 3 gigahertz :
1 cpu = 51 secondes
4 cpu = 1m49 secondes
When you compile clustalw-mpi by yourself everything goes ok.
It is a normal beaviour, or did I miss something??
thx
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